河北省中南部农田孢粉组合特征
庞瑞洺, 许清海, 丁伟, 张生瑞
Pollen Assemblage of Farmlands in Central and Southern Hebei Province
PANG Ruiming, XU Qinghai, DING Wei, ZHANG Shengrui
地理学报 . 2010, (11): 1345 -1354 .  DOI: 10.11821/xb201011004